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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) dCartesian: Jurnal Matematika dan Aplikasi Jurnal Sistem Komputer Proceedings of KNASTIK Journal The Winners Jurnal Teknologi Informasi dan Ilmu Komputer Scientific Journal of Informatics International Journal of Artificial Intelligence Research Jurnal Penelitian Pendidikan IPA (JPPIPA) INOVTEK Polbeng - Seri Informatika BAREKENG: Jurnal Ilmu Matematika dan Terapan JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Sebatik Jurnal ULTIMA InfoSys MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer JURNAL PENDIDIKAN TAMBUSAI Digital Zone: Jurnal Teknologi Informasi dan Komunikasi JURIKOM (Jurnal Riset Komputer) JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Aptisi Transactions on Technopreneurship (ATT) Building of Informatics, Technology and Science JUKANTI (Jurnal Pendidikan Teknologi Informasi) Jurnal Mnemonic JATI (Jurnal Mahasiswa Teknik Informatika) Jurnal Sistem Komputer dan Informatika (JSON) Community Development Journal: Jurnal Pengabdian Masyarakat Aiti: Jurnal Teknologi Informasi Jurnal Teknik Informatika (JUTIF) Advance Sustainable Science, Engineering and Technology (ASSET) International Journal of Social Science Indexia J-SAKTI (Jurnal Sains Komputer dan Informatika) KINGDOM : Jurnal Teologi dan Pendidikan Agama Kristen Jurnal Minfo Polgan (JMP) Jurnal Teknologi Sistem Informasi Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Prioritas : Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Sains Magistrorum et Scholarium: Jurnal Pengabdian Masyarakat IT-Explore: Jurnal Penerapan Teknologi Informasi dan Komunikasi Eduvest - Journal of Universal Studies Journal of Technology Informatics and Engineering Jurnal Pendidikan Teknologi Informasi (JUKANTI) Jurnal Indonesia : Manajemen Informatika dan Komunikasi Scientific Journal of Informatics CSRID Society Jurnal DIMASTIK Proceedings of The International Conference on Computer Science, Engineering, Social Sciences, and Multidisciplinary Studies
Hendry
Universitas Kristen Satya Wacana
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Evaluasi Customer Relationship Management pada Supermarket Hero di Jakarta Timur Liawatimena, S.; Amanda, M. F.; Handoko, Handoko; Hendry, Hendry
Journal the Winners: Economics, Business, Management, and Information System Journal Vol 3, No 2 (2002): The Winners Vol. 3 No. 2 2002
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/tw.v3i2.3843

Abstract

The growing of many big retailer make Hero Supermarket must obtaining it’s existance in retail business. Therefore, Hero Supermarket must form CRM (Customer Relationship Management) in order to increase a new customer, increase profit and maintaining customer, and pay attention to valuable customer. Data analysis done by searching procentage from many questions and cartesius diagram. The conclusion, the highest suitable level there are 98,27%  of quality product and the lowest is the price of merchandise, which is 45,35%. Some atribute are over the customers hope, that is good shopping place image, completeness, the comfortable and easyness in shopping, and safetyness. There are five most important atribut, that is the price, quality, completeness, the comfortable and easyness in shopping, and parking space. Those atribute will determine wether the customer of Hero Supermarket will be loyal or not.
Student Monitoring System pada J2ME menggunakan Web Service (Studi Kasus: SMK Telekomunikasi Tunas Harapan Tengaran) Puspitasari, Dewi; H, Hendry; Somya, Ramos
d'CARTESIAN:Jurnal Matematika dan Aplikasi Vol 2, No 1 (2013): Maret 2013
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (761.25 KB) | DOI: 10.35799/dc.2.1.2013.2120

Abstract

Abstract Violations of the students is often become  problems at school. As truant, fighting, smoking and others. In addition to teachers, parents also have an important role to contribute and supervise their children at school. Student monitoring system is important to help parents supervise their children  at school. Both in value, attendance, payment data and the violation of the student in school. To facilitate parents in accessing this system, the system was built based on J2ME. J2ME is a development environment designed to put the Java software on mobile  devices. The system can run on mobile devices that support Java applications. Server is built using web-based web service. Web services allow to exchange the use of existing functions so can use the functions from one application to make an application to  another on a different network. That way, parents can get information at any time without limited by the number of characters.  Keywords: Student Monitoring, J2ME, Web Service Abstrak Pelanggaran siswa sering menjadi masalah di sekolah. Seperti membolos, berkelahi, merokok dan lain-lain. Selain guru, orang tua juga punya peran penting untuk turut serta mengawasi anaknya di sekolah. Sistem monitoring siswa membantu orang tua mengawasi anaknya di sekolah baik dalam  nilai, absensi, data pembayaran maupun pelanggaran yang dilakukan siswa di sekolah. Untuk memudahkan orang tua dalam mengakses sistem ini, maka dibangun sistem yang berbasis J2ME.  J2ME adalah lingkungan pengembangan yang didesain untuk meletakkan perangkat lunak Java pada perangkat selular. Sistem ini dapat berjalan pada perangkat selular yang mendukung aplikasi java. Server dibangun berbasis web dengan memanfaatkan web service.  Web service  memungkinkan  untuk melakukan  pertukaran pemakaian  fungsi-fungsi  yang ada sehingga bisa memakai fungsi dari aplikasi yang satu untuk membuat suatu aplikasi yang lain pada jaringan yang berbeda. Dengan begitu maka orang tua dapat memperoleh informasi kapanpun tanpa terbatas oleh jumlah karakter.  Kata Kunci: Monitoring Siswa, J2ME, Web Service
DISTRIBUSI DATA MINING DENGAN “PUSH” METODOLOGI Hendry, Hendry; Martono, Kurniawan Teguh
Proceedings of KNASTIK 2010
Publisher : Duta Wacana Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kebutuhan akan sistem yang mendukung pengambilan keputusan yang didasarkan dari menggali informasi unik yang terdapat didalam data, berkembang dengan sangat pesat. Data mining menjawab tantangan ini dengan mencari relasi antar data. Pada perkembangannya data mining melakukan pencarian informasi didalam data yang sangat besar, hal ini menyebabkan proses untuk mencari informasi unik membutuhkan waktu hitung yang cukup lama. Sistem yang terdistribusi dapat membantu hal ini, dengan membagi proses penggalian informasi ke broker yang lebih kecil, dan masing-masing broker ini, dengan menggunakan metode “push” akan mencari server yang dapat membantu proses penghitungan.
Penerapan QR-Code dalam Absensi Karyawan Martono, Kurniawan Teguh; Hendry, Hendry
Proceedings of KNASTIK 2010
Publisher : Duta Wacana Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Perkembangan teknologi computer sangat membantu manusia dalam mengelola suatu sistem informasi. Salah satunya adalah bagaimana mengelola karyawan yang ada dalam satu perusahaan. Pengelolaan karyawan ini sangat penting karena dapat digunakan dalam beberapa proses pengambilan suatu keputusan terhadap perkembangan karyawan. Absensi karyawan merupakan salah satu indicator dalam mengukur unjuk kerja dari setiap karyawan, selain itu absensi ini juga digunakan sebagai acuan suatu perusahan dalam melakukan proses penggajian. Untuk mengelola absensi ini agar lebih efisien adalah dengan menggunakan bantuan teknologi computer. Aplikasi absensi ini memanfaatkan teknologi QR-Code (Quick Response Code) dalam proses identifikasinya. Proses pembacaan marker ini menggunakan sebuah kamera webcam yang dihubungkan oleh program yang akan menterjemahkan marker tersebut. Pengujian pembacaan kartu karyawan yang dilengkai dengan QR-Code ini menggunakan sudut yang bervariasi antara 00 sampai dengan 1800. Hasil yang didapatkan untuk sudut lebih kecil dari 100 maka marker tidak dapat dibaca oleh kamera, sedangkan pada sudut yang lebih besar dari 1700 juga tidak dapat dibaca.
Penerapan Teknologi WebGL pada Virtual Aquarium Berbasis Tiga Dimensi (3D) Hendry, Hendry
Jurnal Sistem Komputer Vol 1, No 2 (2011)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v1i2.15

Abstract

Virtual Aquarium is an application which can be used to display an aquarium together with its content that is look like a real one. By using this application, users can see the display of the aquarium like they are looking at the real object because it is displayed in 3D animation. WebGL is one of the technologies that can be used to build this 3D web. It is a canvas context from a HTML element which provides a 3D API graphic object that is implemented into a web browser without using the plug-in. WebGL can provide an interface program for 3D graphic. This new technology use a HTML5 version by accessing the canvas element which then it is accessed by using Document Object Model Interface. As a result, the user can see a Web interface which formerly in 2D, and then it is developed into 3D where the object can be seen from any other sides.
Perancangan Kriptografi Block Cipher Menggunakan Pola Logo Media Sosial Bulamey, Thea Thiranadya Mardita; Hendry, Hendry
Jurnal Sistem Komputer dan Informatika (JSON) Vol 2, No 2 (2021): Januari 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i2.2535

Abstract

In this research, 64-bit Block Cipher Cryptography was designed based on the Social Media Logo Pattern, this design aims to produce a new cryptographic system, and aims to secure data or information in the form of text. In designing cryptography using Social Media Patterns, correlation tests have been carried out 24 times so as to produce the best pattern sequence with an average correlation value of 0.014425413 with a 1-2-4-3 sequence pattern. After finding the best pattern, 10 rounds are carried out where in each cycle there are 4 processes consisting of 4 patterns for the plaintext process and 4 patterns for the key process, and accompanied by S-Box substitution in each process so that the avalanche effect has a significant increase. In this research, the avalanche effect test was also carried out. In each avalanche effect test, it shows that the S-Box has an effect on the encryption process because in each cycle it has an avalanche effect that reaches 50%. So it can be said that the ciphertext generated by block cipher cryptography based on the social media logo pattern has random output results so that it can be used to secure data or information in the form of text
Perancangan Kriptografi Block Cipher Menggunakan Pola Logo Media Sosial Bulamey, Thea Thiranadya Mardita; Hendry, Hendry
Jurnal Sistem Komputer dan Informatika (JSON) Vol 2, No 2 (2021): Januari 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i2.2535

Abstract

In this research, 64-bit Block Cipher Cryptography was designed based on the Social Media Logo Pattern, this design aims to produce a new cryptographic system, and aims to secure data or information in the form of text. In designing cryptography using Social Media Patterns, correlation tests have been carried out 24 times so as to produce the best pattern sequence with an average correlation value of 0.014425413 with a 1-2-4-3 sequence pattern. After finding the best pattern, 10 rounds are carried out where in each cycle there are 4 processes consisting of 4 patterns for the plaintext process and 4 patterns for the key process, and accompanied by S-Box substitution in each process so that the avalanche effect has a significant increase. In this research, the avalanche effect test was also carried out. In each avalanche effect test, it shows that the S-Box has an effect on the encryption process because in each cycle it has an avalanche effect that reaches 50%. So it can be said that the ciphertext generated by block cipher cryptography based on the social media logo pattern has random output results so that it can be used to secure data or information in the form of text
Decision Tree dalam Menganalisis Data Pengunjung Wisata Danau Poso untuk Pengambilan Keputusan Fredryc Joshua Pa'o; Hendry Hendry
Jurnal Sistem Komputer dan Informatika (JSON) Vol 2, No 3 (2021): Mei 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i3.2895

Abstract

This study uses a classification system in managing its data. In classification there are several methods provided, one of which is the decision tree method with the C4.5 algorithm this method means a decision tree where the structure is the same as a flowchart where each node signifies an attribute test, each branch presents the test results and the leaf node represents the class or class distribution. The data used is the data of Lake Poso Tourism visitors from 2009 to 2020, then the method used in this study is divided into several stages, namely the data being studied, analyzing the data, transforming data and designing a decision tree with the C4.5 algorithm. The results achieved from this study are that the number of visitors more than 28,984 has a description of "Much" which is dominated by local tourists, while the value with the name "Less" is in foreign tourists. This is one of the important points in determining the right strategy for developing tourism in Lake Poso.
Analisis Pengembangan dan Implementasi System E-learning Untuk Meningkatkan pengetahuan Agent Menggunakan Metode ADDIE Model (Study Kasus: PT.Global Infotech Solution) Nansy Stephanie Mongi; Hendry Hendry
Jurnal Sistem Komputer dan Informatika (JSON) Vol 2, No 3 (2021): Mei 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v2i3.2920

Abstract

The development of e-learning system ini companies is very important in the learning process and training of employees or agents to achieve company goals. Like at PT. Global Infotech solution where the learning process still uses manuals so that it hinders learning because to hold training is quite large ini incurring costs for agents who are outside the region. Therefore companies need an e-learning system to help the employee agent learning process to be more affective. E-learning system have been developed and implemented using the moodle platform, which is one of the learning management system. The development method used is the ADDIE (Analysis, Design, Implementation, Evaluation) model so that it is faster ini developing an e-learning system platform according to user needs in the company. The results of the e-learning system research were assessed through employee agent responses from the learning aspect of 84.75% with a good category, seen from the display aspect of 86.05% with the very good category, seen from the aspect of the e-learning system using the Moodle platform of 80, 32% with a good category, and the last one seen from the material aspect in the e-learning system with an interesting concept of 89.82% with the very good category. So the overall assessment of the quality of the e-learning system as a whole is 85.25 with a good category. With this e-learning system, the learning process will be more efficient in displaying learning information needed by company agents in a web-based form and can be accessed by users online as long as they are connected to the internet.
PEMETAAN PENYEBARAN COVID-19 PADA TINGKAT KABUPATEN/KOTA DI PULAU JAWA MENGGUNAKAN ALGORITMA K-MEANS CLUSTERING Lidia Gayatri; Hendry Hendry
Sebatik Vol 25 No 2 (2021): Desember 2021
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (546.369 KB) | DOI: 10.46984/sebatik.v25i2.1307

Abstract

Coronavirus atau Covid-19 adalah virus yang ditemukan di Wuhan, China pada Desember 2019. Virus Covid-19 memiliki kemampuan penyebaran yang cukup cepat diseluruh dunia termasuk di Indonesia melalui interaksi antar manusia dan menginfeksi saluran pernapasan yang dapat menyebabkan kematian. Kasus Covid-19 yang terus meningkat membuat perlu dilakukan pemetaan tingkat kerawanan penyebaran Covid-19 khususnya di Pulau Jawa. Algoritma K-Means adalah salah satu metode clustering yang dapat membagi data ke dalam beberapa kelompok. Davies Bouldin Index (DBI) digunakan untuk menghitung kemiripan setiap cluster. Hasil pengujian menunjukkan cluster terbaik pada ukuran cluster 3 dengan nilai DBI 0.609. Terdapat 3 tingkat kerawanan, yaitu kerawanan rendah terdapat pada cluster 0 yang memiliki 105 kabupaten/kota, kerawanan sedang terdapat pada cluster 2 yang memiliki 7 kabupaten/kota, dan kerawanan tinggi terdapat pada cluster 1 yang memiliki 7 kabupaten/kota. Hasil pemetaan menunjukkan kabupaten/kota yang berada pada tingkat kerawanan tinggi berada di Kota Jakarta Utara, Kota Jakarta Barat, Kota Jakarta Pusat, Kota Jakarta Selatan, Kota Jakarta Timur, Kota Surabaya, dan Kota Semarang. Hasil dari penelitian diharapkan dapat digunakan sebagai acuan oleh masyarakat maupun pemerintah.
Co-Authors Ade Iriani Adenia Kusuma Dayanthi Adriyanto Juliastomo Gundo Agista Nindy Yuliarina Agus Susanto Amanda, M. F. Anton Hermawan April Lia Hananto Atik Setyanti, Angela Aviv Yuniar Rahman Baihaqi, Kiki Ahmad Benedictus Lanang Ido Hernanto Christine Dewi Daniel D Kameo Daniel, Benny Danny Manongga Darmawan Utomo Dewasasmita, Elsha Yuandini Dewi Puspitasari Eka, Muhammad Eko Sediyono eric secada purba Erick Alfons Lisangan Erits Talapessy Erwien Christianto Ester Caroline Dwi Wijaya Wijaya Fauzi Ahmad Muda Fenny Fenny Franly Salmon Pattiiha Fredryc Joshua Pa'o Gunawan, Ricardho Handoko Handoko Handoko, Andrew C Hanita Yulia Hendra Waskita Herdin Yohnes Madawara Hindriyanto Dwi Purnomo Huda, Baenil Indriaty, Novica Irwan Sembiring Ismael, Ismael Ivan Sukma Hanindria Ivanna Kristianti Timotius Iwan Setiawan Iwan Setyawan Jessica Margaret Br Sembiring Joko Siswanto Julians, Adhe Ronny Kesumawati, Ramadini Kho, Delvian Christoper Krismiyati Kurnia, Sri Kurniawan Teguh Martono Lasso, Aldi Leni Marlina Liawatimena, S. Lidia Gayatri Madawara, Herdin Yohnes Mado, Priscianus Mikael Kia Magda Kitty Hartono Mahulete, Ebenhaezer Yohanes Abdeel Manongga, Daniel Margaretha Intan Pratiwi Hant Martaliana Putri Agustina Merryana Lestari Muhammad Khahfi Zuhanda Muhammad Rizky Pribadi Nadia Sofie Soraya Nansy Stephanie Mongi Novrina, Putri Dwi Nugraha, Febrina Tesalonika Panja, Eben Paryono, Tukino Pratama Siregar, Hari Nanda Pratama, Arya Damar Purbaratri, Winny Purnomo, Hendryanto Dwi Raden Mohamad Herdian Bhakti Ramos Somya Ravensca Matatula Ravensca Matatula Richard V. Llewelyn Rizal, Chairul Robertus Bagaskara Radite Putra Ronny Julians, Adhe Rung Ching Chen Santoso, Joseph Teguh Saputri, Adelliya Dewi Septhiani, Angeline Sholikin, Muhammad Sjukun Suharyadi Suherman, Suherman Sukiman Sukiman Supiyandi Supiyandi Susanta, Vonny A. Sutarto Wijono Syefudin Syefudin Tarigan, Aldi Ekin Arapenta Teddy Marcus Zakaria Theopillus J. H. Wellem Tukino, Tukino Uly, Novem Untung Rahardja Vanisa Meifari Wahyuningsih, Novia Weku, Winsy C.D Wibowo, Kurniawan Indra Widi, Anugerah Wijaya, Elyzabeth Winny purbaratri Yandra Rivaldo Yessica Nataliani Zulham Zulham